Arctic Marsh Sedge

Carex holostoma

Native to:
Canada, Finland, Greenland, Labrador, Norway, Russia, Sweden, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Carex
Species:
Carex holostoma
USDA Symbol:
CAHO4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
40 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul

Garden & Ecology Notes

Wildlife Value:
birds, small mammals

Soil Requirements

Soil Type:
moist, nutrient-rich, well-drained soil
pH:
5.0 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers cold, wet environments typical of tundra regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–30 days
Notes:
Seeds benefit from cold moist stratification; surface sow on moist peat-based medium.